How severe is CVE-2017-18320?

CVE-2017-18320 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-18320 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18320?

CVE-2017-18320 primarily affects Qualcomm Msm8996au Firmware. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-18320?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-18320 published?

CVE-2017-18320 was published on 2019-01-03 and last updated on 2026-06-17.

CVE-2017-18320

CVE-2017-18320 is a high-severity vulnerability in Qualcomm Msm8996au Firmware with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Qualcomm Msm8996au Firmware
Published: 2019-01-03
Last modified: 2026-06-17

Description

QSEE unload attempt on a 3rd party TEE without previously loading results in a data abort in snapdragon automobile and snapdragon mobile in versions MSM8996AU, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 810, SD 820, SD 820A, SD 835, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016, SXR1130.

Frequently asked questions

What is CVE-2017-18320?: QSEE unload attempt on a 3rd party TEE without previously loading results in a data abort in snapdragon automobile and snapdragon mobile in versions MSM8996AU, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 810, SD 820, SD 820A, SD 835, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016, SXR1130.
How severe is CVE-2017-18320?: CVE-2017-18320 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-18320 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18320?: CVE-2017-18320 primarily affects Qualcomm Msm8996au Firmware. In total, 32 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-18320?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-18320 published?: CVE-2017-18320 was published on 2019-01-03 and last updated on 2026-06-17.

References

Affected products (32)

cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_410_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_412_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_425_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_427_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_430_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_435_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_439_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_429_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_615_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_616_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_415_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_625_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_632_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_636_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_650_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_652_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_712_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_710_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_670_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_810_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_820_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_820a_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sda660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm439_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sdx24_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:snapdragon_high_med_2016_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sxr1130_firmware:-:*:*:*:*:*:*:*

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